Stenoma chromotechna is a moth of the family Depressariidae. It is found in Brazil (Amazonas).[1]
The wingspan is about 17 mm. The forewings are light greyish violet with the basal third of the dorsum and projecting scales ferruginous brown. There is a fine white longitudinal line from the base just above this extending to the middle and the costal edge is whitish. A slender blackish streak is found from the costa at one-fourth to the dorsum near the tornus, expanded on the costa, partially tinged brownish on its edges, margined with a whitish streak anteriorly to the fold and posteriorly beyond the fold, preceded on the fold by a small greyish and ochreous tuft. The space between this and the next streak is mixed or tinged whitish ochreous and there is an oblique dark brown white-margined fasciate streak from the middle of the costa reaching half across the wing, then becoming black and continued by a blackish line to the dorsum where it almost meets the apex of the preceding. The apical fourth of the wing forms a blotch with the anterior edge slightly convex, its anterior half whitish, the posterior pale ochreous. There is a marginal series of blackish dots around apex and termen. The hindwings are rather dark grey.[2]